where
import Control.Monad (unless)
-import Test.HUnit
+import Test.HUnit (Assertion,
+ assertBool,
+ assertFailure)
-import Comparisons
-import Point
+import Comparisons ((~=))
+import Point (Point, is_close)
-- | An HUnit assertion that wraps the almost_equals function. Stolen
--- from the definition of 'assertEqual' in Test/HUnit/Base.hs.
+-- from the definition of 'assertEqual' in Test\/HUnit\/Base.hs.
assertAlmostEqual :: String -> Double -> Double -> Assertion
assertAlmostEqual preface expected actual =
unless (actual ~= expected) (assertFailure msg)
-- | An HUnit assertion that wraps the is_close function. Stolen
--- from the definition of 'assertEqual' in Test/HUnit/Base.hs.
+-- from the definition of 'assertEqual' in Test\/HUnit\/Base.hs.
assertClose :: String -> Point -> Point -> Assertion
assertClose preface expected actual =
unless (actual `is_close` expected) (assertFailure msg)
where msg = (if null preface then "" else preface ++ "\n") ++
"expected: " ++ show expected ++ "\n but got: " ++ show actual
+
+
+-- | It's asinine that this doesn't exist already.
+assertTrue :: String -> Bool -> Assertion
+assertTrue = assertBool